Answer:
A. They also help the environment by refreshing the air and by reducing smog and effects to the ozone layer.
Explanation:
The author makes a claim that environment is refreshing by the air and the effects on ozone layer are reduced. This statement is not supported by the evidence. The ozone layer is polluted by the environment pollution. The pollution created by humans is also affecting the air which ultimately pollutes the ozone layer.
Answer: The mayor commemorates and gives praise to those who were killed while building the bridge.
Explanation:
The option that best summarizes the central idea of this excerpt is option B "The mayor commemorates and gives praise to those who were killed while building the bridge".
This can be seen in the excerpt when the Mayor of the city of Brooklyn said they should recall with kindness the work of the people who contributed to the building of the bridge but had died.
Therefore, the correct option is B.
<span>complex (one dependent clause, follow by a main clause)..........................</span>